Related: In this article we'll explain what a name server is, and how name servers are used to direct the traffic of your website to a specific web server at a web host. We'll also go over InMotion Hosting's public name servers, vanity name servers, and custom name servers.
Definition of andalusite. : a mineral consisting of a silicate of aluminum usually in thick orthorhombic prisms of various colors.
Roman concrete (opus caementicium), like modern concrete, is an artificial building material composed of an aggregate, a binding agent, and water. Aggregate is essentially a filler, such as gravel, chunks of stone and rubble, broken bricks, etc.